Question about 1993 Pontiac Bonneville

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Do I need to drop the fuel tank on a 1993 Bonneville to change the pressure fuel line?

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The line itself unscrews from the lid that sticks into the tank. you should be able to reach it from up under the car in front of the tank. the line runs all the way up to the engine compartment. you would only need to replace it if it was damaged (crushed or leaking), as it is highly unlikely to be blocked or clogged otherwise.

Posted on Sep 10, 2010

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1 Answer

How to change my fuel pump for a 99 Pontiac Bonneville See where is it located


its in the fuel tank. you will have to drop the gas tank to change it. support car, disconnect fuel and vacuum lines to tank, disconnect fuel filler tube(hose you put gas into car), disconnect the electrical connections, support fuel tank, undo the fuel tank straps and lower fuel tank, clean area around fuel tank unit, remove the unit lock ring and pull out unit, follow the instructions that come with the new fuel pump and re-assemble in reverse order, replace the fuel filter at the same time.

Mar 19, 2015 | Pontiac Cars & Trucks

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My 1993 bonneville runs great for a while than it acts like its not getting gas u push the gas paddle and it does nothing but shuts off. it will start right back up we have changed fuel filter and put new...


I am not sure on yours , but the newer ones you can replace the pump from the trunk area. You don't have to drop the tank. To access the pump remove the spare tire cover and you will see the pump cover.

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1 Answer

1993 GMC Jimmy won't throttle up..changed fuel pump...sounds like fuel is running back into tank


Check fuel pressure regulator.Start engine hook fuel gauge to fuel line check pressure ready then pull the vacuum hose of the fuel regulator if pressure rises 5-10 psi then its good.

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1 Answer

How do i replace the fuel tank pressure sensor on a 96 Bonneville do you have to drop the tank


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1 Answer

Need to change the fuel pump can i cut a hole in the floor, if so where


Hi, you will have to drop the tank to change it,I would not suggest cutting hole in floor,you might cut wires or even worse fuel lines ( ca-boom ) the tank is not to hard to drop.( should just be 2 straps holding tank up. good luck. yz-maniac

Oct 15, 2010 | 1993 Chevrolet S-10 Blazer

1 Answer

1993 pontiac bonneville fuel pump problem


It could be that you have picked up a batch of dirty fuel that has clogged the gauze input filter that is part ot the fuel pump inside the fuel tank.

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Cant hold pressure in fuel rail 1993 jeep gand charokee seems to want to start but shuts right down fuel is coming out of line at good rate i replaced fuel pump and fuel pressure regulator no change yet...


i'm assuming you disconnected the fuel line and placed the line in a container to catch the fuel when observing the flow.

it might sound strange but i think there might be a leak in the tank coming from the fuel pump assembly. it's possible a tube or hose is broken on the assembly and the pump is just pumping the gas back into the tank.

there's flow because there is no pressure building up with the line disconnectedand the gas flows. when connected, pressure builds and blows out the break in the tube or hose.

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2 Answers

Where is fuel sensor located on 1993 pontiac bonniville


If you're looking for the fuel level sensor, then it's part of the fuel pump assemble, which is located inside your gas tank. In order to access it, you have to drop your gas tank, unhook everything attached to it, and you'll see a ring on the top where the lines come out of the tank. You have to turn this to unlock it, and the whole assembly comes out, and you can replace the fuel pump assembly. You'll want to empty as much gas out of it as you can, as it makes it easier to put it back up in the car once you get the pump back in. Once you do this, put everything back like it was when you unhooked it, and put the gas back in it, and you're set.

Nov 07, 2009 | 1993 Pontiac Bonneville

1 Answer

No gas to manifold,car will start adding gas to throttle body


yes gas should be coming out of the fuel line at the motor. if not the pump is bad. you will need to drop the tank to get to it as it is in the tank

Dec 01, 2008 | 1993 Pontiac Bonneville

1 Answer

How do I drop the fuel tank on a 1993 Nissan Altima?


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  1. Drain the fuel from the fuel tank.
  2. Properly relieve the fuel system pressure.
  3. Remove the fuel pump access plate beneath the rear seat.
  4. Label and disconnect the fuel hoses and electrical harness.
  5. Raise and safely support the rear of the vehicle.
  6. Label all fuel lines for installation reference.
  7. On 240SX models, remove the exhaust center tube, driveshaft, differential carrier and rear suspension member.
  8. Disconnect the fuel filler hose and vent hose.
  9. Remove the fuel tank protector assembly.
  10. Remove the fuel tank band retaining bolts while supporting the fuel tank with a transmission jack.
  11. Slowly lower the tank assembly from the vehicle.
To install:
  1. Position the tank assembly on the vehicle.
  2. Install the fuel tank retaining bands and tighten the bolts to 20-27 ft. lbs. (26-36 Nm).
  3. Install the fuel tank protector assembly.
  4. Connect the fuel filler hose and vent hose. Tighten the hose clamps securely.
  5. On 240SX models, install the exhaust center tube, driveshaft, differential carrier and rear suspension member.
  6. Lower the rear of the vehicle.
  7. Connect the fuel hoses and electrical harness.
  8. Install the fuel pump access plate beneath the rear seat.
  9. Fill the fuel tank with a few gallons of fresh fuel.
  10. Pressurize the fuel system and check for leaks.
I hope this helps... If the exhaust as been changed or modified it might be necessary to loosen.

Nov 11, 2008 | 1993 Nissan Altima

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